A.a fire -tube boiler
B.an internal combustion engine
C.an external combustion engine
D.an internal combustion generator
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A.the bearing clearances
B.the bearing thickness
C.the bearing strength
D.the bridge hardness
A.on top cover
B.on sides of bowl
C.in drain line on the discs
D.on the discs
A.low specific heat
B.high specific heat
C.corrosive action
D.high viscosity
A.low specific heat
B.corrosive action
C.high expense
D.acid property
A.injecting fuel oil into a cylinder
B.removing exhaust gases from the cylinder
C.forcing air into the cylinders under pressure after the exhaust valve has dosed
D.a combination of all the above
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Control of the main propulsion diesel engines can be shifted from the engine room to the wheelhouse from the （）.
Combustion knock occurring in a diesel engine can be caused by （）.
The highest pressure in a diesel engine cylinder normally occurs （）.
Diesel engine control can be obtained by the bridge （）.
Engine protection by means of an alarm or shutdown control can be obtained with devices that are sensitive to （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
In using reduction gears to obtain efficient propeller speeds, （）.
The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as （）.
The minimum speed an engine must attain before ignition can occur depends upon （）.
The function of diesel engine piston compression rings is to （）.